s390/mm,pageattr: allow KASAN shadow memory

Allow changing page table attributes for KASAN shadow memory ranges.

Acked-by: Heiko Carstens <hca@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c
index 85195c18b2e82f03edea7ef0ceba8165a0caa4ef..7838e9c70000b9c6f1aef82631800f6b38e33457 100644 (file)
--- a/arch/s390/mm/pageattr.c
+++ b/arch/s390/mm/pageattr.c
@@ -300,8 +300,6 @@ static int change_page_attr(unsigned long addr, unsigned long end,
 
        if (addr == end)
                return 0;
-       if (end >= MODULES_END)
-               return -EINVAL;
        mutex_lock(&cpa_mutex);
        pgdp = pgd_offset_k(addr);
        do {